The Triassic Period was a time of great change. Bookended by extinctions, this era saw huge shifts in the diversity and dominance of life on Earth, ushering in the appearance of many well-known groups ...

3 min read The start of the Triassic period (and the Mesozoic era) was a desolate time in Earth's history ... so-called Great Dying repopulated the planet, diversified into freshly exposed ...

Non-bird dinosaurs lived between about 245 and 66 million years ago, in a time known as the Mesozoic Era. This was many millions of years before the first modern humans, Homo sapiens, appeared.